1) This is not an instant fix.Give it some time.Recite this daily (preferably in the evening) for atleast 90 days and see how the doors of luck and opportunities open for you.

2) Runa or Rina in Sanskrit means debt/poverty.

Debt removing prayer of Lord Lakshmi Narasimha

Runa Vimochana Narasimha Stotra:

Devataakaarya-siddhyartham
sabhaastambha-samudbhavam
Sri Narasimham mahaaveeram
namaami runamuktaye

Meaning :

For achieving the divine mission, He who emerged out of a pillar, in the Court hall (of the demon) to such a greatly valourous Lord Narasimha, I am praying to liquidate my debts.

Lakshmyaalingita-vaamaangam
bhaktaanaam varadaayakam
Sri Narasimham mahaveeram
namaami runamuktaye

Meaning :

To the valorous Sri Narasimha , who has embraced the Goddess Lakshmi on the left side of His chest and who fulfills the wishes of the devotees, I am praying to Him to give me relief from my debts.

Aanthramaalaadharam Sankha
Chakraabja aayudhaarinim
Sri Narasimham mahaaveeram
namaami runamuktaye

Meaning :

To the greatly valorous Sri Narasimha, who is wearing the intestines (of Hiranyakasipu) as a garland, who carries weapons like Conch and the Discus, I am praying to relieve me from my debts.

Smaranaat sarvapaapagnam
kadrooja visha naasanam
Sri Narasimham mahaaveeraam
namaami runamuktaye

Meaning :

To the greatly valorous Sri Narasimha, who rids us of all our sins as soon as we remember Him, to Him who takes away (removes) the poison of the serpents who are the children of Kadru, I am praying to relieve me from my debts.

Prahlaada varadam sreesam
daityesvara-vidaaranam
Sri Narasimham mahaaveeram
namaami runamuktaye

Meaning :

To Him, who gave boons to Prahlada, He who is the Lord of Sri, who tore apart and killed the Raakshasa King, to the greatly valorous Sri Narasimha, I pray to relieve me of my debts.

Krooragrahaih peeditaanaam
bhaktaanaam abhayapradam
Sri Narasimham mahaaveeram
namaami runamuktaye

Meaning :

To the greatly valorous Sri Narasimha who gives protection to the devotees (confers fearlessness) from the sufferings inflicted by cruel planets, I pray to relieve me of my debts.

Vedavedaanta-yajnesam
Brahma Rudraadi vanditam
Sri Narasimham mahaaveeram
namaami runamuktaye

Meaning :

To Sri Narasimha who is Master of the Vedas, Vedaantas and sacrifices, to whom salutations are offered by Brahma, Rudra and others, I am praying to relieve me of my debts.

Ya idam pathate nityam runa
mochana samjnitam
Anrunee jaayate sadyo dhanam
sheeghram avaapnuyaat

Meaning :

One who regularly reads this Runa Vimochana Stotra will not be afflicted by debts. Further, very soon he will obtain money and become a wealthy person.